Cita APA (7th ed.)

Tinajero, R., & Rodríguez Estrella, R. (2011). A red-tailed hawk with an abnormal bill, a noteworthy record in Baja California Sur, Mexico. Instituto de Ecología, A.C.

Cita Chicago (17th ed.)

Tinajero, Romeo, i Ricardo Rodríguez Estrella. A Red-tailed Hawk with an Abnormal Bill, a Noteworthy Record in Baja California Sur, Mexico. Instituto de Ecología, A.C, 2011.

Cita MLA (9th ed.)

Tinajero, Romeo, i Ricardo Rodríguez Estrella. A Red-tailed Hawk with an Abnormal Bill, a Noteworthy Record in Baja California Sur, Mexico. Instituto de Ecología, A.C, 2011.